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P1549 Engine Trouble Code

Meaning of P1549 engine trouble code is a kind of powertrain trouble code and P1549 code can be about replacing a broken oxygen sensor can eventually lead to a busted catalytic convertor which can cost upwards of $2,000. Taking your car into a shop will cost you around $200 depending on the car. However, an oxygen sensor is easy to replace on many cars and is usually detailed in the owner's manual. If you know where the sensor is, you only have to unclip the old sensor and replace it with a new one. Regardless of how you approach it, you should get this fixed right away.

P1549 Fault Symptoms :

  1. Check engine light comes on
  2. Engine stalling or misfiring
  3. Engine performance issues
  4. Car not starting
If one of these reasons for P1549 code is occuring now you should check P1549 repair processes.
Now don't ask yourself; What should you do with P1549 code ?
The solution is here :

P1549 Possible Solution:

P1549 Engine

Power Steering Pressure (PSP) Switch Malfunction In Key On, Engine Off Self-Test, this DTC indicates the PSP input to the PCM is high. In Key On, Engine Running Self-Test, this DTC indicates that the PSP input did not change state. Steering wheel must be turned during Key On, Engine Running Self-Test PSP switch/shorting bar damaged SIG RTN circuit open PSP circuit open or shorted to SIGRTN PCM damaged.

P1549 Code Meaning :

P 1 5 4 9
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine Fuel And Air Metering Fuel Composition Sensor Circuit Malfunction Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector) Reverse Input Circuit

Regarding the P1549 code, it would probably be worthwhile to carefully inspect the wire harness near the intake manifold bracket. This is done most easily from below the car in the area near the oil filter.

P1549 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P1549 OBD-II Trouble Code Intake Manifold Temperature Valve Vacuum Actuator Connection is one of the definitions for the P1549; however your vehicles manufacturer may have a different definition for the P1549 code. Please chec P1549 code.

Main reason For P1549 Code

The reason of P1549 OBD-II Engine Trouble Code is Fuel Composition Sensor Circuit Malfunction.

P1549 code on vehicles with electronically controlled automatic transmissions, the 3-4 shift solenoid is responsible for actuating the hydraulic circuits to activate clutches or bands that change gears inside the automatic transmission.